Features >Feature pp30-33
We got smarter and smarter in the 20th century, but now there are signs that IQs have begun to fall in countries such as the UK and Australia
Features >Feature pp34-37
From cockroaches and bedbugs to fungi and microbes, your home is crawling with life. It has evolved with us for millennia, and now its fate is in our hands
Features >Feature pp38-39
Heat is constantly flowing into space from the ground beneath our feet. Might we capture some of it to generate electricity?
Features >Feature pp40-43
We've all been there, and none of us remember. But psychedelic drugs, love and travel are just some of the ways we can roll parts of our brain back to infancy